Power Electronics / Power Management


Latest Articles

Miniature barrier rectifiers
3 March 2010
Diodes Incorporated has expanded its super barrier rectifier (SBR) portfolio with the introduction of five new products packaged in DFN1006-2, SMA and ITO220S. This new portfolio provides similar electrical ...

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Compact 4 W AC-DC converters
3 March 2010, Brabek
Recom’s new RAC04 family is a range of 4 W AC-DC power modules designed for applications with mounting space restrictions and low weight requirements. An efficiency close to 80% guarantees high reliability ...

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New power module family
3 March 2010, EBV Electrolink
National Semiconductor has introduced the first three products in its ‘Simple Switcher’ power module family. The LMZ series of power modules provide the efficiency of a synchronous switching regulator ...

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Synchronous buck converter
3 March 2010, Tempe Technologies
Semtech’s new SC195 is a highly integrated 500 mA synchronous step-down regulator with the tiny size and output flexibility needed for low-voltage point-of-load regulation, as well as mobile device applications. ...

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Secondary-side rectification controller
17 February 2010
International Rectifier has introduced the IR11672A SmartRectifier IC with advanced ninimum on time (MOT) protection circuitry for energy-efficient AC-DC power converters. Featuring IR’s proprietary ...

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100 W power supplies
17 February 2010, Current Automation
The new HRP-100 series of 100 W AC-DC enclosed type power units expands Mean Well’s HRP offering to cover the range from 75 to 600 W. The modules feature an active PFC function and are targeted at system ...

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Dual low-noise LDO
17 February 2010, NuVision Electronics , ASIC Design Services
austriamicrosystems has expanded its low dropout regulator portfolio with the dual LDO AS1374, capable of delivering up to 200 mA continuous load current at each output. It operates from a 2 to 5,5 V ...

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Smart stepper motor drivers
17 February 2010
New from ON Semiconductor are two driver ICs for driving high-current stepper motors. The AMIS-30532 and AMIS-30542 micro-stepping motor drivers have integrated H-bridges and are suitable for motion control ...

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Infineon IGBT modules optimised for 3-level converters
3 February 2010, Infineon Technologies UK
Lately the three-level neutral-point-clamped (NPC) topology known from high-power applications is also being applied in low- and medium-power applications to exploit specific advantages in system level ...

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Offline PWM controller
3 February 2010, Altron Arrow
Texas Instruments recently introduced an offline green mode pulse width modulation (PWM) controller that minimises space and system cost while providing high efficiency in power supply applications. The ...

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Quarter-brick power module
3 February 2010
The new QW24T25033 from Power-One is a quarter-brick DC-DC converter for use in communications, particularly wireless base station applications that utilise both 24 V and 48 V battery backup power. This ...

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DC-DC converters with high power density
3 February 2010, Vepac Electronics
XP Power has made new additions to its range of encapsulated PCB mount compact DC-DC converters. Housed in a metal package, the 15 Watt JTK15 and 30 Watt JTL30 series can accommodate a wide 4:1 input ...

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Power supplies for outdoor use
3 February 2010, Current Automation
Mean Well has launched two new 240 W power supply ranges for application in LED lighting, architecture decoration and outdoor lighting. Featuring built-in PFC (power factor correction), the HLG-240 is ...

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Half bridge for power supplies and drives
3 February 2010, Hi-Q Electronics
Diotec has introduced a new device called the S16 – a half bridge or so-called voltage doubler, with two diodes in series packaged in one TO-263/D²PAK outline. Two or three of these devices can be used ...

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High-current contactors
3 February 2010
The latest addition to Gigavac’s family of GX contactors is the GX15, which is rated at 500 A, 750 V a.c. or d.c. Coil voltages of 12/24/28/48/72/120 V d.c. and 115/240, 50/60 Hz a.c. are available. The ...

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Buck regulator boasts high power density
3 February 2010, MB Silicon Systems
Micrel has added the MIC22950 to its high power density family of buck regulators. The synchronous step-down regulator features 10 A integrated SuperThermal MOSFETs and is optimised for high efficiency ...

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Dual 600 mA buck regulator
3 February 2010
Analog Devices has introduced a miniature dual buck regulator for space-constrained portable electronic systems. At just 2 × 2 × 0,6 mm, the dual 600 mA ADP5022 includes an additional 150 mA on-chip LDO ...

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PMIC with configurable startup sequences
3 February 2010, ASIC Design Services, NuVision Electronics
The AS3607 from austriamicrosystems is a highly integrated power management IC (PMIC) featuring a high level of startup sequence programmability, making it suitable for portable navigation devices, portable ...

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550 VA UPS
3 February 2010
APC has launched its Back-UPS RS 550 VA line-interactive uninterruptible power supply (UPS) offering energy efficient charging, shutting off power to computer peripherals when the computer is in sleep ...

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Low-loss 1200 V IGBTs
3 February 2010
A new series of power transistors from STMicroelectronics is designed to reduce the environmental impact of daily-use equipment such as home appliances, HVAC systems and industrial machines by minimising ...

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